A Bulgarian reveller celebrates the New Year at Sofia's main square early January 1, 2007. Fireworks lit the skies and thousands of people danced at street parties across Romania and Bulgaria to celebrate the two former Soviet bloc Black Sea countries' entry to the European Union on Monday. REUTERS/Stoyan Nenov (BULGARIA)

A Bulgarian reveller celebrates the New Year at Sofia's main square early January 1, 2007. Fireworks lit the skies and thousands of people danced at street parties across Romania and Bulgaria to celebrate the two former Soviet bloc Black Sea countries' entry to the European Union on Monday. REUTERS/Stoyan Nenov (BULGARIA)